Code of Federal Regulations > Title 19 > Chapter I > Part 123 - PART 123—CBP RELATIONS WITH CANADA AND MEXICO

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

§ 123.0 - Scope.

Subpart A [§ 123.1 - § 123.10] - Subpart A—General Provisions

Subpart B [§ 123.11 - § 123.18] - Subpart B—International Traffic

Subpart C [§ 123.21 - § 123.29] - Subpart C—Shipments in Transit Through Canada or Mexico

Subpart D [§ 123.31 - § 123.34] - Subpart D—Shipments in Transit Through the United States

Subpart E [§ 123.41 - § 123.42] - Subpart E—United States and Canada In-Transit Truck Procedures

Subpart F [§ 123.51 - § 123.52] - Subpart F—Commercial Traveler's Samples in Transit Through the United States or Canada

Subpart G [§ 123.61 - § 123.65] - Subpart G—Baggage

Subpart H - Subpart H [Reserved]

Subpart I [§ 123.81 - § 123.82] - Subpart I—Miscellaneous Provisions

Subpart J [§ 123.91 - § 123.92] - Subpart J—Advance Information for Cargo Arriving by Rail or Truck